There are
1,409 mi
from Norwalk, CT to Yankton, SD
That's the driving distance. It would take 1 day 2 hours to go from Norwalk, Connecticut to Yankton, South Dakota.
The flight distance (direct flight from Norwalk, CT to Yankton, SD) is 1,233.61 mi.
1,409 mi = 1.61 kms